Mark Punzalan
77 lines
2.3 KiB
Kotlin
Vendored
77 lines
2.3 KiB
Kotlin
Vendored
// IGNORE_BACKEND_FIR: JVM_IR
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// TARGET_BACKEND: JVM
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// WITH_REFLECT
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import kotlin.reflect.*
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import kotlin.test.*
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object Delegate {
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lateinit var property: KProperty<*>
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operator fun getValue(instance: Any?, kProperty: KProperty<*>): List<String?> {
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property = kProperty
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return emptyList()
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}
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operator fun setValue(instance: Any?, kProperty: KProperty<*>, value: List<String?>) {
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throw AssertionError()
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}
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}
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fun check(expectedName: String, p: KProperty0<*>): String? {
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assertEquals(expectedName, p.name)
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assertEquals(emptyList<KParameter>(), p.parameters)
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assertEquals(emptyList<KTypeParameter>(), p.typeParameters)
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assertEquals(null, p.visibility) // "local" visibility is not representable with reflection API
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assertEquals("kotlin.collections.List<kotlin.String?>", p.returnType.toString())
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assertTrue(p.isFinal)
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assertFalse(p.isOpen)
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assertFalse(p.isAbstract)
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assertFalse(p.isLateinit)
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assertFalse(p.isConst)
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// TODO: support getDelegate for local delegated properties
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assertEquals(null, (p as KProperty0<*>).getDelegate())
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assertEquals(emptyList<KParameter>(), p.getter.parameters)
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assertEquals("kotlin.collections.List<kotlin.String?>", p.getter.returnType.toString())
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// TODO: support annotations
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assertEquals(emptyList<Annotation>(), p.annotations)
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try {
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p.call()
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return "Fail: reflective call of a local delegated property should fail because it's not supported"
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} catch (e: UnsupportedOperationException) { /* ok */ }
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if (p is KMutableProperty0<*>) {
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assertEquals(listOf("kotlin.collections.List<kotlin.String?>"), p.setter.parameters.map { it.type.toString() })
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assertEquals("kotlin.Unit", p.setter.returnType.toString())
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try {
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p.setter.call()
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return "Fail: reflective call of a local delegated property setter should fail because it's not supported"
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} catch (e: UnsupportedOperationException) { /* ok */ }
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}
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return null
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}
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annotation class Anno
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fun box(): String {
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@Anno
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val localVal by Delegate
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localVal
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check("localVal", Delegate.property as KProperty0<*>)?.let { error -> return error }
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@Anno
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var localVar by Delegate
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localVar
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check("localVar", Delegate.property as KProperty0<*>)?.let { error -> return error }
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return "OK"
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}
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